## BAV70WG-AL3-R: Technical Overview The **BAV70WG-AL3-R** is a high-speed switching diode configured in a **common cathode** arrangement. It is widely used in signal processing, high-speed switching, and protection circuits due to its small footprint and fast recovery time. ### 1. Key Technical Specifications | Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | **Configuration** | - | Common Cathode (Dual) | - | | **Reverse Voltage (Max)** | $V_{R}$ | 70 | V | | **Forward Current (Continuous)** | $I_{F}$ | 200 | mA | | **Reverse Recovery Time** | $t_{rr}$ | 6.0 | ns | | **Forward Voltage Drop** | $V_{F}$ | 1.0 (at 50mA) | V | | **Package Type** | - | SOT-323 (SC-70) | - | --- ### 2. Internal Configuration The device contains two silicon epitaxial planar diodes inside a single package. * **Pin 1:** Anode 1 * **Pin 2:** Anode 2 * **Pin 3:** Common Cathode ### 3. Application Areas * **High-Speed Switching:** Ideal for digital logic circuits where fast transitions are required. * **Signal Clamping:** Used to limit voltage levels in sensitive communication lines. * **Reverse Polarity Protection:** Protecting low-power circuits from incorrect battery insertion. * **General Purpose:** Rectification in low-current power supplies. --- ### 4. Part Number Breakdown (UTC Standard) The suffix codes usually indicate specific manufacturing details: 1. **BAV70:** Base part number (High-speed switching diode). 2. **WG:** Often indicates a specific package variant or "Halogen Free/Green" status. 3. **AL3:** Typically refers to the **SOT-323** package type. 4. **R:** Indicates **Tape and Reel** packaging for automated assembly. ### 5. Equivalent Alternatives If this specific part is unavailable, the following are common industry equivalents: * **BAV70** (Standard SOT-23 version) * **BAV70W** (Standard SOT-323 version from other manufacturers like ONsemi or Diodes Inc.) * **MMBD7000** (Similar high-speed dual diode functionality)